S-8250AAB-I6T1U Datasheet, PDF (24/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

BATTERY PROTECTION IC WITH DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-8250A Series
4. 2 Discharge inhibition status latch function "unavailable"
VCU
VCL (VCU − VHC)
Battery voltage
VDU (VDL + VHD)
VDL
Rev.1.3_02
VDD
DO pin voltage
VSS
VDD
CO pin voltage
VSS
VEB_−
VDD
VM pin voltage
VDIOV
VVC^V_{EIOSBSV−}
CTL pin voltagVe^CVTDLDH
(Active "H")
VCTLL
VSS
VDD
CTL pin voltagVe^CTLH
(Active "L")
VCTLL
VSS
Charger connection
Load connection
Discharge inhibition delay time (tCTL) tCTL
Overcharge detection delay time (tCU) t_CTL
(1)
(2)
(1)
(2)
Status^*1
*1. (1): Normal status
(2): Discharge inhibition status
(3): Overcharge status
Remark The charger is assumed to charge with a constant current.
Figure 15
(1)
(3) (1) ₍₂₎
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